516551 has 8 divisors (see below), whose sum is σ = 596640. Its totient is φ = 438048.

The previous prime is 516541. The next prime is 516563. The reversal of 516551 is 155615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516551 - 2¹⁴ = 500167 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 516551.

It is not an unprimeable number, because it can be changed into a prime (516521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (74580).

2⁵¹⁶⁵⁵¹ is an apocalyptic number.

516551 is a deficient number, since it is larger than the sum of its proper divisors (80089).

516551 is a wasteful number, since it uses less digits than its factorization.

516551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its digits is 750, while the sum is 23.

The square root of 516551 is about 718.7148252263. The cubic root of 516551 is about 80.2363324000.

The spelling of 516551 in words is "five hundred sixteen thousand, five hundred fifty-one".